Performance Features:-High volumetric efficiency screw air end built by Germany and Italy, with new profile 5/6 lobe relation-Air inlet filter and intake valve, automatic capacity control: Load/unload-TEFC premium efficiency electric motor with UL, CE approval-Microprocessor controller functions:Display information on control panel: Exhaust pressure and temperature, running time, current of motor, state of load/unload, using time and replacing time for lubricant, air filter, oil filter and oil separator.Fault information inquiry;Power indicate light, phase protection light.